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Page server

307 bytes added, 20:52, 30 August 2016
add note about pagemap/pages .img
[[Image:Memory_migration_with_page_server.png|thumb|500px|right|Memory migration with page server]]
When using page server, the memory is dumped not to disk, but directly to network, thus eliminating any disk reads/writes on the source. On the destination system, a page server runs, receiving the data from network and writing it to files on disk or tmpfs.
 
Note that page server is only used to migrate user memory, i.e. ''pagemap.img'' and ''pages.img'' files (see [[memory dumps]] if you don't know what that means). Everything else, including, say, process mappings (''mm.img'') is dumped in a traditional manner and should be moved over when doing migration.
=== Pages deduplication ===

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